diff --git a/content/pages/project.md b/content/pages/project.md
index 575ee68..b35d3a7 100644
--- a/content/pages/project.md
+++ b/content/pages/project.md
@@ -23,7 +23,7 @@ The project topic is **spectral analysis**, which consists of the analysis of da
 >| [Milestone 1]({filename}/project/milestone1/index.md)       | Thu, November 2nd, 09:59 PM | 1         |
 >| [Milestone 2]({filename}/project/milestone2/index.md)       | Thu, November 9th, 09:59 PM     | 1    |
 >| [Milestone 3]({filename}/project/milestone3/index.md)         | Tue, November 14th, 09:59 PM    | 21           |
->| [Milestone 4]({filename}/project/milestone4/index.md)         | Mon, November 27th, 09:59 PM    | 23           |
+>| [Milestone 4]({filename}/project/milestone4/index.md)         | Tue, November 28th, 09:59 PM    | 23           |
 >| **Total**                                                     |                               |     46|
 
 
diff --git a/content/project/milestone4/index.md b/content/project/milestone4/index.md
index a5e3b25..e684a5c 100644
--- a/content/project/milestone4/index.md
+++ b/content/project/milestone4/index.md
@@ -4,7 +4,10 @@ Date: 2023-11-16
 Slug: M4
 Author: Ignacio Becker
 
-> **Due: Monday, November 27th, 09:59 PM**
+
+>**Due:**<span style="text-decoration: line-through;"> **Monday, November 27th, 09:59 PM**</span>
+
+>  **Tuesday, November 28th, 09:59 PM**
 
 You will now start the development of the library modules. As part of test-driven design, you should first write the tests of a functionality, and then write the code, based on the API you defined in Milestone 3.